weekly lecture sumary

HYDROCOLLOIDS ----> a.k.a water soluble gums, gums, stabilisers.

Primary function

1. thickening agents
2. gelling / texturizing agents

Classes of Hydrocolloids

1. from exudation or sap of trees - Gum arabic
2. extract from seed - Locust bean gum
3. extract from seaweeds - Carrageenan
4. microbial gums - Gellan
5. extract from tubers - Konjac
6. extract from plant parts - Pectin

Factor affect gum properties

1. molecular weight
2. monosaccharides composition
3. types of side chains
4. number of side chains
5. istribution of side chains